Patent · US Expired

Liquid crystal device

US5750214A · kind A · utility

18Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1996
Grant dateMay 12, 1998
Priority date
Expiry dateDec 13, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/0271
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A liquid crystal device is constituted by a pair of substrates at least one of which is provided with an alignment control film, and a liquid crystal composition disposed between the substrates and contacting the alignment control film. The alignment control film comprises an amide polymer and a pyridine-based polymer. The liquid crystal device using a mixture alignment control film described above is effective in improving a switching characteristic by minimizing a depolarization field while keeping a uniform alignment characteristic.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.